What calculator can find out how much things cost in the past?

To find out how much things cost in the past, you can use an inflation calculator, which adjusts prices based on inflation rates over time. Websites like the Bureau of Labor Statistics (BLS) in the U.S. offer such calculators that allow you to input a specific amount and year to see its equivalent value in today's dollars. Alternatively, historical price indexes can also provide insights into the cost of goods at different points in time.